Good Afternoon - Today is:
Current: 20.4°C, Max: 23.2°C, Min: 10.7°C
The current forecast is: Cloudy skies. High 23C. Winds S at 10 to 15 km/h. *
Last weather station contact: Wednesday, 22 November 2017 at 14:39:00. Updated in seconds
Station Forecast: Fairly fine, showery later | Sunrise: 05:47 | Sunset: 20:21 | Dawn: 05:15 | Dusk: 20:53
Weather Forecast
Temperature : Current trend is Rising, changing by +0.1 °C/hr  20.4°C, 56%   Pressure : Current trend is Falling slowly, changing by -0.27 hPa/hr  1022.86hPa
Based upon today's weather there is a Moderate Fire Danger (restrictions may apply)
Fire Danger
Wind Speed :  WSW  Current wind speed is Light breeze (F2) from WSW (246°) 8.7km/h   Wind Gust : Current trend is Steady 37.5km/h
Air Quality :  5 AQI  1.1ug/m3   Rainfall : Current trend is Steady 0.0mm
Sun Light : 47.2KLux, 5.4hrs   Solar UV :  5.6UVI  373W/m2
It feels like 19.2°C. A windproof & One clothing layer recommended.There will be 1min 44s more daylight tomorrow.

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Current UV Index Reading
 5.6UVI  Medium  373W/m2 

Moderate risk of harm from unprotected sun exposure

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Palmerston North UV Index Forecast
UV index
The ultraviolet radiation index (UVI) is a measure of the intensity of ultraviolet (UV) radiation in our environment. The higher the UVI number the more intense the UV radiation. Find out the UVI in your town.

Too much exposure to UV radiation from the sun can be very dangerous. When the UVI is at 3 or higher we all need to protect ourselves. This happens almost daily from September to March. It can also happen in winter, especially at high altitudes and in snow, so remember to protect yourself when you go skiing or snowboarding.

Throughout a day UV radiation behaves in a predictable way. It is highest at about 1.30pm between September and March.

What is UV radiation?
The sun gives us UV radiation, visible light and heat. UV radiation and the heat from the sun are not the same thing. Many people mistake temperature as an indicator of the UV radiation. Even when the temperature is not hot the UV radiation levels can be dangerously high so temperature is not a good indicator of when you need to protect yourself from the sun's UV radiation.

There are both risks and benefits of exposure to UV radiation - a balance is required to avoid the risk of skin cancer and at the same time to maintain adequate vitamin D levels.

What influences the level of UV radiation?
UV radiation levels vary around the globe and over the seasons and times of the day. The level is influenced by:
• Sun elevation - the higher the sun in the sky, the higher the UV radiation.
• Latitude - the closer to the equator you are, the higher the UV radiation.
• Cloud cover - UV radiation levels are higher with clear skies, but can still be high with light cloud cover.
• Altitude - the higher the altitude you are, the higher the UV radiation.
• Ozone - the lower the ozone, the higher the UV radiation. Ozone absorbs some of the UV radiation. Ozone levels vary over the year and even across the day.
• Ground reflection - some surfaces are more reflective eg, snow, sand and water.

New Zealand's UV radiation
Peak UV radiation levels in New Zealand are around 40% higher than those in North America. New Zealand's exposure to high levels of UV radiation is mainly because of the position of the sun, the closeness of the sun during summer months, and our unpolluted skies.

In recent years, ozone depletion has increased our exposure to UV radiation. The Antarctic ozone layer hole usually breaks up in early summer that means that, at times, New Zealand is affected by ozone-depleted air travelling over the country.

Slip, Slop, Slap and Wrap
Protect yourself this summer from sun burn by following the "Slip, slop, slap and wrap" rule:
• Slip into a shirt and clothing that offer good protection from the sun
• Slop on some sunscreen before going outdoors. Use SPF30+ sunscreen an apply 20 minutes before heading outside.
• Slap on a hat with a brim or a cap with flaps.
• Wrap on a pair of sunglasses.

Be extra careful outside between the hours of 11am and 4pm suring summer time as this is when the sun is at it's strongest and you are more likely to burn.



The UV Information has been sourced from: SunSmart New Zealand - http://www.sunsmart.org.nz and referenced in our bibliography.